Cisco Cisco IOS Software Release 12.2(2)XG

The latest version of analog modem firmware for the Cisco 2600 series supports the internal analog 
modems (both NM-16AM and NM-8AM) in a wide range of countries, starting with Cisco  IOS 
Release 11.3(5)T and later releases. The latest firmware (version 1.2.0) also supports dial-out and 
fax-out.

Additional information can be found on Cisco.com, beginning under the Service & Support heading:

Technical Documents: Access Servers and Access Routers: Modular Access Routers: Cisco 2600 
Series Routers: Software Configuration Documents for Cisco 2600 Series: Analog Modem 
Firmware

This information is also available on the Documentation CD-ROM at:

Cisco Product Documentation: Access Servers and Access Routers: Modular Access Routers: 
Cisco 2600 Series Routers: Software Configuration Documents for Cisco 2600 Series: Analog 
Modem Firmware

The Cisco IOS software is packaged in feature sets consisting of software images—depending on the 
platform. Each feature set contains a specific set of Cisco IOS features.

Cisco IOS Release 12.2(2) XG1 supports the same feature sets as Cisco IOS Release 12.2(2) T, but 
Cisco IOS Release 12.2(2) XG1 can include new features supported by the Cisco 2600 series. 

For feature set table information regarding Cisco IOS Release 12.2(2) T, refer to the Cross-Platform 
Release Notes for Cisco IOS Release 12.2 T located on Cisco.com and the Documentation CD-ROM.

Cisco IOS images with strong encryption (including, but not limited to 168-bit (3DES) data 
encryption feature sets) are subject to U.S. government export controls and have limited distribution. 
Strong encryption images to be installed outside the United States are likely to require an export 
license. Customer orders may be denied or subject to delay because of U.S. government regulations. 
When applicable, the purchaser/user must obtain local import and use authorizations for all 
encryption strengths. Please contact your sales representative or distributor for more information, or 
send an e-mail to export@cisco.com.

 lists the new features and feature sets supported by the Cisco 2600 series routers in Cisco IOS 

Release 12.2(2) XG1 and uses the following conventions:

Yes—The feature is supported in the software image.

No—The feature is not supported in the software image.

In—The number in the “In” column indicates the Cisco IOS release in which the feature was 
introduced. For example, (2) XG means a feature was introduced in 12.2(2) XG.

You can find the most current Cisco IOS documentation on Cisco.com. If you have a Cisco.com login 
account, you can find image and release information regarding features prior to Cisco IOS 
Release 12.2(2) T by using the Feature Navigator tool at http://www.cisco.com/go/fn.